Lacazette scored with his first shot (and second touch) as a Premier League player.

The last player to score a goal faster on their Premier League debut was Thievy Bifouma, who came on for his Premier League debut for West Brom at half-time and scored after just 36 seconds in a 3-1 defeat at Crystal Palace in February 2014

Lacazette is just the seventh player to score on his Premier League debut for Arsenal, after Kevin Campbell, Steve Bould, Fredrik Ljungberg, Emmanuel Adebayor, Samir Nasri and Thomas Vermaelen.

Shinji Okazaki took advantage of Mesut Ozil and the Gunners defence switching off from a short corner to nod Leicester level just two minutes later.

The Foxes then took the lead in the 29th minute when Jamie Vardy converted Marc Albrighton’s cross from close range, after Granit Xhaka gave the ball away.

Danny Welbeck drew Arsenal level in the second minute of first half stoppage time when he tapped in from a cut back from Saed Kolasinac.

Leicester though took the lead again in the 56th minute when Vardy rose unmarked to head in Riyad Mahrez’s corner.

Vardy has scored five of Leicester City’s last six goals against Arsenal. However, he is yet to end on the winning side.

Arsene Wenger was forced into a double substitution to chase the match.

He ditched the three at the back system bringing on Aaron Ramsey and Olivier Giroud in the 67th minute to replace Elneny and Rob Holding.

It proved to be an inspired double substitution in sparking Arsenal’s late comeback.

Ramsey equalised in the 83rd minute when he stole in unmarked at the far post and drove the ball into the net from a Xhaka cross.

There was controversy in the build-up to goal, with TV replays showing that Mesut Ozil handled the ball before it was deflected behind for a corner from which Ramsey scored.

Two minutes later Giroud headed in the winner from a Xhaka corner.

So a late comeback sealed all three points for Arsenal.

The Gunners maintain their record of having never lost a Premier League game on a Friday, winning seven of eight matches. Their last league defeat on a Friday came against Watford in April 1988.